- Codes Description
- M31.0
Hypersensitivity angiitis
- M31.1
Thrombotic microangiopathy
- M31.2
Lethal midline granuloma
- M31.3
Wegener’s granulomatosis
- M31.4
Aortic arch syndrome [Takayasu]
- M31.5
Giant cell arteritis with polymyalgia rheumatica
- M31.6
Other giant cell arteritis
- M31.7
Microscopic polyangiitis
- M31.8
Other specified necrotizing vasculopathies
- M31.9
Necrotizing vasculopathy, unspecified